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General specifications
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Signal type
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Analog input
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Functional safety related parameters
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Safety Integrity Level (SIL)
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SIL 2
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Supply
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Connection
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Power Rail or terminals 9+, 10-
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Rated voltage
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18 ... 30 V DC
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Ripple
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within the supply tolerance
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Power dissipation
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approx. 1.4 W at 20 mA transfer current, 250 Ω in both outputs
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Power consumption
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2 W
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Input（KCD2-STC-Ex1.2O倍加福安全柵）
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Connection side
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field side
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Connection
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terminals 1+, 2- (sink); 3+, 4- (source)
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Input signal
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0/4 ... 20 mA
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Voltage drop
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terminals 3, 4: ≤ 6.1 V at 20 mA
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Short-circuit current
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terminals 1+, 2-: 25 mA
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Input resistance
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terminals 1+, 2-: max. 500 Ω
(250 Ω load)
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Available voltage
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terminals 1+, 2-: ≥ 16 V at 20 mA , ≥ 18.5 V at 4 mA
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Output（KCD2-STC-Ex1.2O倍加福安全柵）
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Connection side
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control side
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Connection
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source: terminals 5-, 6+; 7-, 8+
sink: terminals 5+, 6-, 7+, 8-
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Load
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channel 1: 0 ... 500 Ω (20 mA)/> 1 MΩ (5 V)
channel 2: 0 ... 500 Ω (20 mA)/> 1 MΩ (5 V)
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Output signal
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0/4 ... 20 mA or 0/1 ... 5 V
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Ripple
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max. 50 ?A rms
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Transfer characteristics
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Deviation
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Iout < 20 ?A (0.1 %); Vout < 10 mV (0.2 %) incl. calibration, linearity, hysteresis and fluctuation of supply voltage, at 20 °C (68 °F), 0/4 ... 20 mA, 0/1 ... 5 V
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Influence of ambient temperature
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current output: 0.25 ?A/K
voltage output: 80 ?V/K
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Frequency range
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field side into the control side: bandwidth with 0.5 Vpp signal 0 ... 6 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp signal 0.3 ... 6 kHz (-3 dB)
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Settling time
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6 ms
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Rise time/fall time
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2 ms
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Galvanic isolation
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Output/power supply
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functional insulation, rated insulation voltage 50 V AC
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Output/Output
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functional insulation, rated insulation voltage 50 V AC
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